package com.work.test;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class T7 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        List list=new ArrayList();
        for (int i=0;i<n;i++){

        }
    }
}
class student{
    String studentId;
    int df;
    int cf;
    double avg;

    public student(String studentId, int df, int cf) {
        this.studentId = studentId;
        this.df = df;
        this.cf = cf;
        this.avg=(cf+df)/2;
    }

    public String getStudentId() {
        return studentId;
    }

    public void setStudentId(String studentId) {
        this.studentId = studentId;
    }

    public int getDf() {
        return df;
    }

    public void setDf(int df) {
        this.df = df;
    }

    public int getCf() {
        return cf;
    }

    public void setCf(int cf) {
        this.cf = cf;
    }

    public double getAvg() {
        return avg;
    }

    public void setAvg(double avg) {
        this.avg = avg;
    }

    @Override
    public String toString() {
        return studentId+" "+df+" "+cf;
    }
}
